#51C5CB Hex Color
Online color picker to view shades, tints, color codes, and complementary colors

#51c5cb is a cool, moderately light cyan with a soft green undertone and fresh, polished energy. Its softened saturation suits spring branding, children’s products, technology interfaces, and communication graphics. Use it as a supporting background or broad color field with dark navy accents. Black text remains highly legible, with about 10.2:1 contrast. The hex code for this cyan is #51c5cb.
Questions about #51c5cb
What is #51c5cb in RGB, HSL and CMYK?
In RGB, #51c5cb is rgb(81, 197, 203), in HSL hsl(183, 54%, 56%) and in CMYK 60%, 3%, 0%, 20%.
What colors pair well with #51c5cb?
Does #51c5cb read as a warm or cool color?
#51c5cb reads as a cool cyan because its blue base is softened by a subtle green undertone, giving it fresh, approachable energy rather than the sharper feel of highly saturated turquoise.
Is #51c5cb readable on white or black?
#51c5cb has a 2.05:1 contrast ratio on white and 10.19:1 on black. WCAG asks for 4.5:1 for body text and 3:1 for large text, so on white it is too faint for text and on black it works for body text. Try other pairs in the contrast checker.